Resolving further mypy issues in ChipDeviceCtrl python3 module

Author: j-ororke

src/controller/python/matter/ChipDeviceCtrl.py

@@ -1778,7 +1778,10 @@ def SendGroupCommand(self, groupid: int, payload: ClusterObjects.ClusterCommand,
         return None
 
     async def WriteAttribute(self, nodeId: int,
-                             attributes: typing.List[typing.Tuple[int, ClusterObjects.ClusterAttributeDescriptor]],
+                             attributes: typing.List[typing.Union[
+                                 typing.Tuple[int, ClusterObjects.ClusterAttributeDescriptor],
+                                 typing.Tuple[int, ClusterObjects.ClusterAttributeDescriptor, int]
+                             ]],
                              timedRequestTimeoutMs: typing.Optional[int] = None,
                              interactionTimeoutMs: typing.Optional[int] = None, busyWaitMs: typing.Optional[int] = None,
                              payloadCapability: int = TransportPayloadCapability.MRP_PAYLOAD):
@@ -1833,7 +1836,10 @@ async def _WriteAttribute(self, nodeId: int,
         return await future
 
     async def TestOnlyWriteAttributeWithLegacyList(self, nodeId: int,
-                                                   attributes: typing.List[typing.Tuple[int, ClusterObjects.ClusterAttributeDescriptor]],
+                                                   attributes: typing.List[typing.Union[
+                                                       typing.Tuple[int, ClusterObjects.ClusterAttributeDescriptor],
+                                                       typing.Tuple[int, ClusterObjects.ClusterAttributeDescriptor, int]
+                                                   ]],
                                                    timedRequestTimeoutMs: typing.Optional[int] = None,
                                                    interactionTimeoutMs: typing.Optional[int] = None, busyWaitMs: typing.Optional[int] = None,
                                                    payloadCapability: int = TransportPayloadCapability.MRP_PAYLOAD):